(;GM[1]AP[StoneBase:SGFParser.3.0.1]SZ[19]HA[0]PB[N.N.]PW[N.N.]AB[ip][io][hn][in][mn][fm][hm][jm][km][lm][nm][el][kl][ml][ol][ql][dk][ek][lk][mk][qk][gj][lj][ei][fi][hi][ki][li][fh][gh][hh][ih][jh][ph][dg][eg][hg][ig][gf][hf][nf][of][pf][ge][he][ie][id][kc][qe][qd][rc][rm][pq][po][iq][ho][gp][hq][fe][fd][fc][fb][db][cc][bd][ef][cg][ch][bi][bj][bk][ck][cj][cm][dm][dn][fn][em][eo][ds][cr][cq][cp][co][bo][an][fq][fr][gr][lp][lq][lr][mq][nr][ms]AW[jq][lo][mo][jn][ln][nn][gm][im][dl][fl][hl][il][jl][pl][fk][gk][hk][ik][kk][dj][ej][fj][hj][ij][jj][kj][di][ii][ji][dh][eh][kh][nh][fg][jg][kg][lg][lf][je][me][ne][oe][hd][jd][kd][od][pd][gc][ic][jc][lc][mc][nc][oc][qc][gb][pb][rb][fa][qa][ea][eb][ec][ee][dd][cd][be][cf][bg][bh][ai][ci][cl][bl][bm][bn][cn][do][dp][dq][dr][eq][fp][fo][go][gn][jo][kp][jr][mp][np][nq][oo][on][pn][qn][rl][or][pr][qq][if]
;B[jf]LB[if:A][gi:B][gl:C]C[it will be a triple ko which means no result game, then they should play again for a result.
but after white`s accurate calculation, he decide to do something.];W[pk]C[it seems a ordinary move?
in fact it`s the shining move.];B[pj]C[a normal reply];W[df];B[ff];W[kf];B[er];W[qj];B[qi];W[rj];B[pm];W[ed];B[ep];W[if];B[gl];W[gm];B[gn];W[jf]C[white abandon the triple ko.];B[gl];W[gi];B[gm]LB[gj:A]C[now, this ko worth around 100 points.];W[gd];B[gj]C[black will not reply any threats.];W[oj]TR[pk]C[white is utilizing the shining move.];B[jk];W[pi]SQ[ph][pf][of][nf][qi][qe][qd][rc]C[white already sacrificed 100 points, but killing the square group is not his intention.];B[oi];W[pj];B[ri];W[qm];B[oh];W[bb]C[remove black`s live by ko.
then they play normal endgames.];B[jp];W[kq];B[ir];W[js];B[is];W[ko];B[rd];W[si];B[rg];W[sh];B[mg];W[sg];B[rf];W[nj];B[ni];W[mj];B[mi];W[lh];B[mh];W[sc];B[om];W[rh];B[qh];W[sd];B[se];W[sb];B[aj];W[ah];B[sf];W[sj];B[nk];W[mf];B[mm]C[W+7.5
incredible?])